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Electricity
New post in Electricity
If the Earth is a good conductor of electricity, why don't people get electrocuted every time they touch the Earth?
November 1st, 2020
electricity
estimation
electrical-resistance
earth
electric-current
Why does connecting a battery's positive terminal to the negative terminal of another battery not create a short circuit?
July 31st, 2020
electric-circuits
electrochemistry
short-circuits
electricity
Does electricity flow on the surface of a wire or in the interior?
February 8th, 2020
electromagnetism
electricity
conductors
In aluminum, how does electricity travel through the surface oxide layer?
August 1st, 2022
quantum-tunneling
electric-current
solid-state-physics
electricity
quantum-mechanics
Increase in mass of battery of my smartphone
February 26th, 2020
mass-energy
batteries
mass
electricity
homework-and-exercises
In what order would light bulbs in series light up when you close a long circuit?
January 17th, 2020
electric-circuits
electricity
When jumping a car battery, why is it better to connect the red/positive cable first?
January 11th, 2020
electric-circuits
electricity
Different batteries connected in parallel
September 11th, 2020
electric-circuits
batteries
electricity
Why does the comb attract the pieces of papers if they're neutral?
September 2nd, 2022
electricity
charge
Why do power lines buzz?
June 1st, 2021
acoustics
electricity
everyday-life
Why do 'dead' batteries work again after exchanging the places of the batteries in an electronic device?
May 31st, 2020
electricity
electric-circuits
everyday-life
batteries
Can a gym be built to supply electricity to homes?
January 19th, 2020
homework-and-exercises
electromagnetism
electricity
power
estimation
Why do metals have free electrons?
August 1st, 2022
electricity
conductors
metals
How Special Relativity causes magnetism
August 11th, 2020
electromagnetism
special-relativity
electricity
Can lightning be used to solve NP-complete problems?
December 13th, 2020
computational-physics
field-theory
electric-fields
lightning
electricity
Why does public mains power use 50-60 Hz and 100-240 V?
August 8th, 2021
frequency
power
conventions
voltage
electricity
What causes electrical boxes to hum?
June 11th, 2020
electricity
How does a wire carry alternating current?
July 3rd, 2020
conductors
electric-current
electricity
Is it possible to overload a lightning rod?
August 1st, 2022
electricity
lightning
What happens when we connect a metal wire between the 2 poles of a battery?
August 1st, 2022
electricity
short-circuits
batteries
electric-fields
electric-circuits
How to avoid getting shocked by static electricity?
August 1st, 2022
electricity
electrostatics
Speed of light vs speed of electricity
September 28th, 2020
electricity
speed-of-light
electric-current
speed
conductors
How is silver a better conductor than platinum?
August 1st, 2022
electricity
atomic-physics
electrical-resistance
metals
Why doesn't the brightness of a bulb change with time?
March 2nd, 2020
electricity
thermal-radiation
I touched a tree that was touching an electric fence and got an electric shock. How is this possible if wood is an insulator?
December 24th, 2020
electricity
insulators
Why do grapes in a microwave oven produce plasma?
March 21st, 2020
physical-chemistry
home-experiment
electrostatics
electricity
Difference between live and neutral wires
July 14th, 2020
electricity
electric-circuits
electrical-engineering
Why are the electric force and magnetic force classified as electromagnetism?
May 23rd, 2020
electromagnetism
special-relativity
electricity
How did physicists know that there are two kind of charges?
August 1st, 2022
electromagnetism
electrostatics
electricity
charge
history
How many dimensions does electricity have?
December 9th, 2020
electricity
spacetime-dimensions
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